[LASS Soaring] Houston Hawk Build

[Dion]

Dave,

 

As I am sure you already know, the Hawk has a very large following over on
RC Groups.  If I ever build another RES plane after the Sagitta, it will
probably be one of these.  Ask Jack Womack about any improvements along the
way on the wing.

 

http://www.rcgroups.com/forums/showthread.php?t=157276
<http://www.rcgroups.com/forums/showthread.php?t=157276&highlight=houston+ha
wk+build+thread> &highlight=houston+hawk+build+thread

http://www.rcgroups.com/forums/showthread.php?t=301987
<http://www.rcgroups.com/forums/showthread.php?t=301987&highlight=houston+ha
wk+build+thread> &highlight=houston+hawk+build+thread

 

Dion

  _____  

From: soaring-bounces at louisvillesoaring.org
[mailto:soaring-bounces at louisvillesoaring.org] On Behalf Of deflanigan1
Sent: Monday, March 16, 2009 5:16 PM
To: Soaring at louisvillesoaring.org
Subject: [LASS Soaring] Houston Hawk Build

 

Well, I am starting to build again and the first plane will be a Houston
Hawk.  I just did some trading with Jon Owens and wound up with a Houston
Hawk short kit.  I plan to use my original drop nose fuse that is presently
fitted with a Paragon wing but that wing flexes a bit too much for my taste.
I have chatted with Ed Wilson and he says this "kinda" Houston Hawk should
qualify for the "woody" class. 

 

If anyone has any experience with the Houston Hawk wing I would appreciate
your feedback.  After it is built it is too late.  Does the wing have any
weaknesses?  And should it have washout in the tip panels?  If so, how much?
My rule of thumb says to build it with at least 1/8" up at the end of the
tip panel trailing edge.  Any suggestions?

 

Also has anyone out there used Micafilm to cover a plane recently?  I used
it maybe 14 years or so ago and while it requires some different techniques,
I like the results.  It is very tough and light.  Yes, I remember it doesn't
have any adhesive on it and you have to use Balsarite on the framework or on
the Micafilm itself.  

 

BUT, I was searching the web for information about it and I came across a
comment (from 2002 or 2003) that mentioned that the "newer" Micafilm is not
waterproof.  There was no clear definition as to just exactly what is
considered "older" or "newer".  Anyhow they said the "newer" version had
microscopic holes large enough to let rain through to the framework. Has
anyone heard of this?

 

Many Thanks, Dave Flanigan

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